diff options
| -rw-r--r-- | arch/x86/ia32/ia32_signal.c | 6 | ||||
| -rw-r--r-- | arch/x86/ia32/ia32entry.S | 11 | ||||
| -rw-r--r-- | arch/x86/include/asm/sys_ia32.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/syscalls.h | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/entry_32.S | 23 | ||||
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/signal.c | 9 | ||||
| -rw-r--r-- | arch/x86/syscalls/syscall_32.tbl | 4 | ||||
| -rw-r--r-- | arch/x86/um/signal.c | 15 |
9 files changed, 23 insertions, 55 deletions
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index a1daf4a65009..15fdb3f57d8c 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -215,8 +215,9 @@ static int ia32_restore_sigcontext(struct pt_regs *regs, return err; } -asmlinkage long sys32_sigreturn(struct pt_regs *regs) +asmlinkage long sys32_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); struct sigframe_ia32 __user *frame = (struct sigframe_ia32 __user *)(regs->sp-8); sigset_t set; unsigned int ax; @@ -241,8 +242,9 @@ badframe: return 0; } -asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs) +asmlinkage long sys32_rt_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); struct rt_sigframe_ia32 __user *frame; sigset_t set; unsigned int ax; diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index 74bc91e3612b..c05e16b4536b 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -456,17 +456,16 @@ ia32_badsys: ALIGN GLOBAL(\label) leaq \func(%rip),%rax - leaq -ARGOFFSET+8(%rsp),\arg /* 8 for return address */ jmp ia32_ptregs_common .endm CFI_STARTPROC32 - PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi - PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi - PTREGSCALL stub32_execve, compat_sys_execve, %rcx - PTREGSCALL stub32_fork, sys_fork, %rdi - PTREGSCALL stub32_vfork, sys_vfork, %rdi + PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn + PTREGSCALL stub32_sigreturn, sys32_sigreturn + PTREGSCALL stub32_execve, compat_sys_execve + PTREGSCALL stub32_fork, sys_fork + PTREGSCALL stub32_vfork, sys_vfork ALIGN GLOBAL(stub32_clone) diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h index 31f61f96e0fb..93e142a719bc 100644 --- a/arch/x86/include/asm/sys_ia32.h +++ b/arch/x86/include/asm/sys_ia32.h @@ -69,8 +69,8 @@ asmlinkage long sys32_fallocate(int, int, unsigned, /* ia32/ia32_signal.c */ asmlinkage long sys32_sigsuspend(int, int, old_sigset_t); -asmlinkage long sys32_sigreturn(struct pt_regs *); -asmlinkage long sys32_rt_sigreturn(struct pt_regs *); +asmlinkage long sys32_sigreturn(void); +asmlinkage long sys32_rt_sigreturn(void); /* ia32/ipc32.c */ asmlinkage long sys32_ipc(u32, int, int, int, compat_uptr_t, u32); diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index 76be6f2d980c..de2e1ab913bb 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -24,7 +24,7 @@ asmlinkage long sys_iopl(unsigned int); asmlinkage int sys_modify_ldt(int, void __user *, unsigned long); /* kernel/signal.c */ -long sys_rt_sigreturn(struct pt_regs *); +long sys_rt_sigreturn(void); /* kernel/tls.c */ asmlinkage int sys_set_thread_area(struct user_desc __user *); @@ -37,7 +37,7 @@ asmlinkage int sys_get_thread_area(struct user_desc __user *); asmlinkage int sys_sigsuspend(int, int, old_sigset_t); asmlinkage int sys_sigaction(int, const struct old_sigaction __user *, struct old_sigaction __user *); -unsigned long sys_sigreturn(struct pt_regs *); +unsigned long sys_sigreturn(void); /* kernel/vm86_32.c */ int sys_vm86old(struct vm86_struct __user *, struct pt_regs *); diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 415c6346d8bf..e132cf6ea140 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -702,12 +702,6 @@ END(syscall_badsys) /* * System calls that need a pt_regs pointer. */ -#define PTREGSCALL0(name) \ -ENTRY(ptregs_##name) ; \ - leal 4(%esp),%eax; \ - jmp sys_##name; \ -ENDPROC(ptregs_##name) - #define PTREGSCALL1(name) \ ENTRY(ptregs_##name) ; \ leal 4(%esp),%edx; \ @@ -723,23 +717,6 @@ ENTRY(ptregs_##name) ; \ jmp sys_##name; \ ENDPROC(ptregs_##name) -#define PTREGSCALL3(name) \ -ENTRY(ptregs_##name) ; \ - CFI_STARTPROC; \ - leal 4(%esp),%eax; \ - pushl_cfi %eax; \ - movl PT_EDX(%eax),%ecx; \ - movl PT_ECX(%eax),%edx; \ - movl PT_EBX(%eax),%eax; \ - call sys_##name; \ - addl $4,%esp; \ - CFI_ADJUST_CFA_OFFSET -4; \ - ret; \ - CFI_ENDPROC; \ -ENDPROC(ptregs_##name) - -PTREGSCALL0(sigreturn) -PTREGSCALL0(rt_sigreturn) PTREGSCALL2(vm86) PTREGSCALL1(vm86old) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 4486fee3999f..197512242e3b 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -896,7 +896,6 @@ ENTRY(stub_rt_sigreturn) addq $8, %rsp PARTIAL_FRAME 0 SAVE_REST - movq %rsp,%rdi FIXUP_TOP_OF_STACK %r11 call sys_rt_sigreturn movq %rax,RAX(%rsp) # fixme, this could be done at the higher layer @@ -911,7 +910,6 @@ ENTRY(stub_x32_rt_sigreturn) addq $8, %rsp PARTIAL_FRAME 0 SAVE_REST - movq %rsp,%rdi FIXUP_TOP_OF_STACK %r11 call sys32_x32_rt_sigreturn movq %rax,RAX(%rsp) # fixme, this could be done at the higher layer diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index d6bf1f34a6e9..38ba7e56e161 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -597,8 +597,9 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, * Do a signal return; undo the signal stack. */ #ifdef CONFIG_X86_32 -unsigned long sys_sigreturn(struct pt_regs *regs) +unsigned long sys_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); struct sigframe __user *frame; unsigned long ax; sigset_t set; @@ -625,8 +626,9 @@ badframe: } #endif /* CONFIG_X86_32 */ -long sys_rt_sigreturn(struct pt_regs *regs) +long sys_rt_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); struct rt_sigframe __user *frame; unsigned long ax; sigset_t set; @@ -843,8 +845,9 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where) } #ifdef CONFIG_X86_X32_ABI -asmlinkage long sys32_x32_rt_sigreturn(struct pt_regs *regs) +asmlinkage long sys32_x32_rt_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); struct rt_sigframe_x32 __user *frame; sigset_t set; unsigned long ax; diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl index aa15a7a94cf7..4e8ab081ee3d 100644 --- a/arch/x86/syscalls/syscall_32.tbl +++ b/arch/x86/syscalls/syscall_32.tbl @@ -125,7 +125,7 @@ 116 i386 sysinfo sys_sysinfo compat_sys_sysinfo 117 i386 ipc sys_ipc sys32_ipc 118 i386 fsync sys_fsync -119 i386 sigreturn ptregs_sigreturn stub32_sigreturn +119 i386 sigreturn sys_sigreturn stub32_sigreturn 120 i386 clone sys_clone stub32_clone 121 i386 setdomainname sys_setdomainname 122 i386 uname sys_newuname @@ -179,7 +179,7 @@ 170 i386 setresgid sys_setresgid16 171 i386 getresgid sys_getresgid16 172 i386 prctl sys_prctl -173 i386 rt_sigreturn ptregs_rt_sigreturn stub32_rt_sigreturn +173 i386 rt_sigreturn sys_rt_sigreturn stub32_rt_sigreturn 174 i386 rt_sigaction sys_rt_sigaction sys32_rt_sigaction 175 i386 rt_sigprocmask sys_rt_sigprocmask 176 i386 rt_sigpending sys_rt_sigpending sys32_rt_sigpending diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c index 71cef48ea5cd..ae7319db18ee 100644 --- a/arch/x86/um/signal.c +++ b/arch/x86/um/signal.c @@ -464,7 +464,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig, return 0; } -long sys_sigreturn(struct pt_regs *regs) +long sys_sigreturn(void) { unsigned long sp = PT_REGS_SP(¤t->thread.regs); struct sigframe __user *frame = (struct sigframe __user *)(sp - 8); @@ -577,7 +577,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig, } #endif -long sys_rt_sigreturn(struct pt_regs *regs) +long sys_rt_sigreturn(void) { unsigned long sp = PT_REGS_SP(¤t->thread.regs); struct rt_sigframe __user *frame = @@ -601,14 +601,3 @@ long sys_rt_sigreturn(struct pt_regs *regs) force_sig(SIGSEGV, current); return 0; } - -#ifdef CONFIG_X86_32 -long ptregs_sigreturn(void) -{ - return sys_sigreturn(NULL); -} -long ptregs_rt_sigreturn(void) -{ - return sys_rt_sigreturn(NULL); -} -#endif |
